Tetrahexyldecyl Ascorbate:

A stable, lipid-soluble ester form of ascorbic acid (Vitamin C), a free radical scavenger.

Tocopheryl Acetate:

A stabilized ester of vitamin E, an important antioxidant and free-radical scavenger.

Tocopherol:

The oil-soluble, natural form of vitamin E.

Sodium Hyaluronate (Hyaluronic Acid):

A derivative of hyaluronic acid that naturally occurs in the skin. Has the ability to retain up to 40 times its weight in water on the surface of the skin.